nav{
    padding-left: .4rem /* 15/37.5 */;
    height: 1.07rem /* 40/37.5 */;
    background: linear-gradient(to bottom,#fff,#ccc);
    font-size: .35rem /* 13/37.5 */;
    margin-bottom: .27rem /* 10/37.5 */;
    a{
        color: #666;
        line-height: 1.07rem /* 40/37.5 */;
    }
}
.charts{
padding-left: 5px;
height: 1.07rem /* 40/37.5 */;
border-top: 1px solid #ccc;
border-bottom: 1px solid #ccc;
background-color: #f4f4f4;
margin-bottom: .27rem /* 10/37.5 */;
font-size: .37rem /* 14/37.5 */;
line-height: 1.07rem /* 40/37.5 */;
}

main{
    margin-bottom: .53rem /* 20/37.5 */;
    .panel-group{
        .panel-head{
            width: 9.95rem /* 373/37.5 */;
            height: .99rem /* 37/37.5 */;
            font-size: .43rem /* 16/37.5 */;
            border: 1px solid #ddd;
            background-color: #f5f5f5;
            border-radius: .11rem /* 4/37.5 */;
            line-height: .99rem;
            color: #666;
            box-shadow: 0 1px 1px rgba(0,0,0,.05);

            .fl{
                margin-left: .4rem /* 15/37.5 */;
            }

            .fr{
               float: right;
               margin-right: .67rem /* 25/37.5 */;
               transform: rotate(-130deg);
            }
        }
       .row{
           a{
            li{
                height: 1.71rem /* 64/37.5 */;
                border-bottom: 1px solid #ccc;
                border-right: 1px solid #ccc;
                padding-left: .4rem /* 15/37.5 */;
                padding-top: .27rem /* 10/37.5 */;
 
                .id{
                    display: inline-block;
                    width: .67rem /* 25/37.5 */;
                    height: .67rem /* 25/37.5 */;
                    text-align: center;
                    line-height: .67rem /* 25/37.5 */;
                    background-color: #ccc;
                    font-size: .43rem /* 16/37.5 */;
                    margin-right: .53rem /* 20/37.5 */;
                    margin-bottom: .4rem /* 15/37.5 */;
                    color: #fff;
                    font-weight: bold;
                }
                .title{
                    font-size: .48rem /* 18/37.5 */;
                }
                .sell{
                    font-size: 14px;
                    color: #999;
                }
            }
            &:nth-child(1) .id{
                background-color: red;
            }
            &:nth-child(2) .id{
                background-color: orange;
            }
            &:nth-child(3) .id{
                background-color: springgreen;
            }
           }
       }
    }
}